import { login, logout,getInfo,registration} from '@/api/login'
import { getToken, setToken, removeToken } from '@/utils/auth'
import { resetRouter } from '@/router'
import {Message} from "element-ui";
import axios from 'axios'

const getDefaultState = () => {
  return {
    token: getToken(),
    name: '',
    avatar: '',
    roles:[]
  }
};

const state = getDefaultState();

const user = {
  state: {
    token: getToken(),
    name: '',
    avatar: '',
    roles: []
  },
mutations :{
  RESET_STATE: (state) => {
    Object.assign(state, getDefaultState())
  },
  SET_TOKEN: (state, token) => {
    state.token = token
  },
  SET_NAME: (state, name) => {
    state.name = name
  },
  SET_AVATAR: (state, avatar) => {
    state.avatar = avatar
  },
  SET_ROLES: (state, roles) => {
    state.roles = roles
  }
},

actions: {

  // 登录
  Login({commit}, userInfo)
  {
    const userName = userInfo.userName.trim();
    return new Promise((resolve, reject) => {
      login(userName, userInfo.password).then(response => {
        const token = response.data.token;
        setToken(token);
        commit('SET_TOKEN', token);
        resolve()
      }).catch(error => {
        reject(error)
      })
    })
  },

  // 注册
  Registration({commit}, userInfo)
  {
    return new Promise((resolve, reject) =>
    {
      registration(userInfo.userName.trim(), userInfo.password).then(response => {
        const token = response.data.token;
        setToken(token);
        commit('SET_TOKEN', token);
        resolve()
      }).catch(error => {
        reject(error)
      })
    })
  },

  // 获取用户信息
  GetInfo({commit, state}) {
    return new Promise((resolve, reject) => {
      getInfo().then(response => {
        const data = response.data;
        // if (data.roles && data.roles.length > 0) { // 验证返回的roles是否是一个非空数组
        //   commit('SET_ROLES', data.roles)
        // } else {
        //   reject('getInfo: roles must be a non-null array !')
        // }
        commit('SET_NAME', data.name);
        commit('SET_AVATAR', data.avatar);
        resolve(response)
      }).catch(error => {
        reject(error)
      })
    })
  },

  // 登出
  LogOut({commit, state}) {
    return new Promise((resolve, reject) => {
      logout(state.token).then(() => {
        commit('SET_TOKEN', '');
        commit('SET_ROLES', []);
        removeToken();
        resetRouter()
        resolve();
      }).catch(error => {
        reject(error)
      })
    })
  },

  // 前端 登出
  FedLogOut({commit}) {
    return new Promise(resolve => {
      commit('SET_TOKEN', '')
      removeToken()
      resolve()
    })
   },

  // remove token
  resetToken({ commit }) {
    return new Promise(resolve => {
      removeToken() // must remove  token  first
      commit('RESET_STATE')
      resolve()
    })
  }
 }
}

export default user

